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HU217800B - Eljárás polietilénhabból habosítószer eltávozásának meggyorsítására - Google Patents

Eljárás polietilénhabból habosítószer eltávozásának meggyorsítására Download PDF

Info

Publication number
HU217800B
HU217800B HU9303065A HU9303065A HU217800B HU 217800 B HU217800 B HU 217800B HU 9303065 A HU9303065 A HU 9303065A HU 9303065 A HU9303065 A HU 9303065A HU 217800 B HU217800 B HU 217800B
Authority
HU
Hungary
Prior art keywords
foam
blowing agent
channels
process according
polyethylene
Prior art date
Application number
HU9303065A
Other languages
English (en)
Hungarian (hu)
Other versions
HUT65825A (en
Inventor
Paul A. Kolosowski
Original Assignee
The Dow Chemical Co.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24786315&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HU217800(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by The Dow Chemical Co. filed Critical The Dow Chemical Co.
Publication of HUT65825A publication Critical patent/HUT65825A/hu
Publication of HU217800B publication Critical patent/HU217800B/hu

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5663—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching by perforating the foam, e.g. to open the cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3402—Details of processes or apparatus for reducing environmental damage or for working-up compositions comprising inert blowing agents or biodegradable components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5609—Purging of residual gas, e.g. noxious or explosive blowing agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
HU9303065A 1991-04-30 1992-03-24 Eljárás polietilénhabból habosítószer eltávozásának meggyorsítására HU217800B (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69383591A 1991-04-30 1991-04-30

Publications (2)

Publication Number Publication Date
HUT65825A HUT65825A (en) 1994-07-28
HU217800B true HU217800B (hu) 2000-04-28

Family

ID=24786315

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9303065A HU217800B (hu) 1991-04-30 1992-03-24 Eljárás polietilénhabból habosítószer eltávozásának meggyorsítására

Country Status (16)

Country Link
US (1) US5424016A (fi)
EP (1) EP0584276B2 (fi)
JP (1) JP3431141B2 (fi)
KR (1) KR100190474B1 (fi)
AT (1) ATE138310T1 (fi)
AU (1) AU2182992A (fi)
CA (1) CA2105870C (fi)
DE (1) DE69210997T3 (fi)
DK (1) DK0584276T4 (fi)
ES (1) ES2087541T5 (fi)
FI (1) FI934803A0 (fi)
GR (2) GR3020015T3 (fi)
HU (1) HU217800B (fi)
MX (1) MX9201987A (fi)
NO (1) NO933917D0 (fi)
WO (1) WO1992019439A1 (fi)

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Also Published As

Publication number Publication date
EP0584276B1 (en) 1996-05-22
DK0584276T4 (da) 2000-03-27
EP0584276A4 (en) 1993-12-20
GR3020015T3 (en) 1996-08-31
DE69210997T2 (de) 1996-09-26
EP0584276B2 (en) 1999-08-25
ATE138310T1 (de) 1996-06-15
KR100190474B1 (ko) 1999-06-01
DK0584276T3 (da) 1996-10-07
GR3031736T3 (en) 2000-02-29
MX9201987A (es) 1992-11-01
FI934803L (fi) 1993-10-29
ES2087541T5 (es) 1999-10-16
DE69210997D1 (de) 1996-06-27
JP3431141B2 (ja) 2003-07-28
WO1992019439A1 (en) 1992-11-12
AU2182992A (en) 1992-12-21
US5424016A (en) 1995-06-13
DE69210997T3 (de) 1999-12-16
FI934803A7 (fi) 1993-10-29
FI934803A0 (fi) 1993-10-29
EP0584276A1 (en) 1994-03-02
NO933917L (no) 1993-10-29
CA2105870C (en) 2002-09-17
JPH06507129A (ja) 1994-08-11
HUT65825A (en) 1994-07-28
CA2105870A1 (en) 1992-10-31
ES2087541T3 (es) 1996-07-16
NO933917D0 (no) 1993-10-29

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